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a body is suspended vertically from an ideal spring of spring constant 31 nm the spring is initially in its relaxed
a sewing machine needle moves with a rapid vibratory motion rather like shm as it sews a seam suppose the needle moves
a certain nuclear reactor is capable of producing 100 x 109 w of power during its operation mass is converted to energy
uv light of wavelength 211 nm falls on a silver surface whose work function is 474 ev find the maximum speed of the
a spaceship enters the solar system moving toward the sun at a constant speed relative to the sun by its own clock the
a golf ball is struck at ground level the speed of the golf ball as a function of time is shown in the figure below
a cannon at the top of a 181 m high cliff fires at a pirate ship the cannonball has an initial velocity of 138 ms at
a space probe with a rest mass of 82107kg and a speed of 05c smashes into an asteroid at rest and becomes embedded
a cylinder like an oil drum is being rolled across a level floor by a force f applied horizontally to the top for the
a uniform meter stick with a mass of 135 g rotates about an axis perpendicular to the stick passing through the center
a man is holding an 800-kg vacuum cleaner at arms length a distance of 0550 m from his shoulder what is the torque on
a wheel that is rotating at 333 rads is given an angular acceleration of 215 rads2 through what angle has the wheel
earths radius is 638 times 106 m and it completes one revolution every day what is the tangential speed of a person
electromagnetic waves of wavelength 0178nm fall on a crystal surface as the angle of incidence is gradually increased
a target in a shooting gallery consists of a vertical square wooden board 0300 m on a side and with mass 0740 kg that
the uncertainty in a protons position is 017 nma what is the minimum uncertainty change in p in this momentum i found
a piece of balsa wood with density 012gcm3 with mass of 30g in air is affixed to alead sinker with a mass of 400g what
find the two locations where an object can be placed in front of a concave mirror with a radius of curvature of 37cm
the average distance of the planet mercury from the sun is 039 times the average distance of the earth from the sun how
a uniform upward electric field of magnitude 160 x 103 nc has been set up between two horizontal plates by charging the
a garden hose with an internal diameter of 20 cm is connected to a stationary lawn sprinkler that consists merely of an
a tungsten target is struck by electrons that have been accelerated from rest through a 299-kv potential difference
assume all angles to be exact a certain crystal gives a deflection angle of 25 degree for the first-order maximum of
a 914-m ladder with a mass of 242 kg lies flat on the ground a painter grabs the top end of the ladder and pulls
a transformer has 400 primary turns and 1510 secondary turns the input voltage is 120 v and the output current is 160 a